(A) infrared radar systems
(B) armored vehicles
(C) ** nuclear weapons
(D) long-range bombers
EXPLANATIONS BELOW
Concept note-1: -long-range bombers. During the 1940s, which military technology led to the construction of scientific complexes in New Mexico is nuclear weapons. Thus, option C is correct.
Concept note-2: -Answer: U.S entry into world war II caused the us army to take over the atomic research project being conducted at columbia university in the early 1940s.
Concept note-3: -Several military installations were built in New Mexico just after the war began, including airbases, training facilities, prisoner of war camps and internment camps. Among the most prominent of the new bases was Kirtland Field, in Albuquerque.
Concept note-4: -Radar, computers, penicillin and more all came out of development during the Second World War. Radar, computers, penicillin and more all came out of development during the Second World War. One of the most infamous World War II inventions is the atomic bomb.
Concept note-5: -The Manhattan Project was the US government program during World War II that developed and built these first atomic bombs.